Step 1: Using Internet Explorer
Click on the Tools drop down menu and select Internet Options. Click on the security tab. Click custom level. Scroll through the menu to the section labelled Scripting. Under the heading Active Scripting select enable. Click OK.
Step 2: Using Mozilla Firefox 2.0
Step 3: Using Opera
Step 4: Using Apple Safari
Click on the Safari drop down menu. Choose preferences and then select the security icon. Tick the box to enable java script.